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XMBC Version: 2.18.7Windows Version: windows 10Mouse Information (brand/model): X7Computer Information: --- Did the problem occur after an upgrade of XMBC?: +++ Did the problem occur after a Windows update/upgrade?: previously (on older versions) worked well. Now it does not work for more than a month...

How long have you used XMBC?: 5 years.

What language and keyboard layout do you use in Windows?: Russian

Clear description of the problem: When I connect to a remote desktop (server) on the Internet, through Windows, the copy - paste buttons (which I assigned to 2 side keys) - do not work. And this problem only on the new version of the program. On old versions - everything worked perfectly and without failures. I do not understand what the problem is at all, but you have to constantly download an older version, which is very inconvenient. Please help in solving the problem.

Odd, copy and paste work fine here... Which old version are you downloading (ad why do you have to constantly download it?)
Next time you use 2.18.7 please turn on debug logging and capture some debug log. As far as I am aware, nothing related to copy/paste has changed for over a year so something weird must be going on (esp. as it works for me - I'm a fairly heavy used of RDP)

Perhaps you misunderstood me.
I started working with remote servers last October. And until about April of this year - that is, October, November, December, January, February, March - everything worked. And then the problems started. And I have already re-installed Windows (as on the server side, or on your own computer) - it does not help in solving the problem.
+ This - maybe I incorrectly explained how it is working...
Here is a screenshot of the program I have now:
That is, when I press the "copy" button on the mouse - on my computer, for example, copy text or file, and then "Paste" on the server, through the remote desktop - it does not work.
+ Does not work and in reverse order - if I "Copy" - on the server - it is not inserted on my home computer...
+ Another option - if I manually copy the file or text on the server (not with the mouse and the keyboard the usual key combination) - and then on the home computer click on the mouse button - it inserts. You know it is possible that the problem is not on your home computer, namely the connection itself and the server computer... Don't know how more to explain it...
+ Maybe you can tell where to download the version where it will work because I don't even know where to download it...

OK I don't think I miss-understood. When you use COPY and PASTE in XMBC, all it does is simulate you pressing CTRL+C and CTRL+V using Microsoft's Send Input API. So in effect it should do the same as you pressing the keys on the keyboard. The fact that is does not is interesting/concerning.
It does still work for me - I use COPY and PASTE in XMCB between RDP all day every day - but I use an English keyboard - and I suspect that is the key difference here.

There *was* a change recently (2.18.6) to try and deal with issues with Cyrillic keyboards where by the copy and paste didn't work. Now your using a Russian keyboard so I suspect this change may well be relevant. However, it should have had the reverse effect (where it didn't work in 2.18 but does now work in 2.18.6 onward) - again this seems to be the reverse of what you are seeing.

I presume that is you use COPY and PASTE on your desktop ONLY (no RDP) then it does copy and paste as you wish? Is the keyboard layout the same on the remote session or is that English/Diffferent?

So I need you to turn on debug logging and then go press that copy/paste button so I can see exactly what XMBC is sending - and maybe that will help me understand why it is not working. Please make a note of the time when you press the buttons (and tell me) so I can find the log entries more efficiently. Then send me a copy of the log file (via PM or Email - or just paste it right here).

Once you have captured that debug log and sent me a copy, you can, if you wish, download an older version here... (2.18.5 should be the one just before that change that I suspect caused the problems).

You can download older versions using this link... Just modify the numbers at the end to get the version you want..

Just tried - on my home computer and on the remote - there was an English layout - does not work copy - paste.
If you try the Russian layout on your home computer and on the server - it also does not work to copy and paste...
You say you need to use the debug log - could you send a screenshot of how to enable it?

well yeh of course you do - because there is a newer version!
You wont get that message all that often... and you can turn it off the "check for updates" in settings (but then you wont get a notification of any new versions).